Katsigiannis, Sotirios https://orcid.org/0000-0001-7642-7359
Carolus, Anne Elisabeth
Schmieder, Kirsten
Brenke, Christopher
Article History
Received: 31 August 2019
Accepted: 18 November 2019
First Online: 6 December 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. For this type of study, formal consent is not required.